450510649121 has 16 divisors (see below), whose sum is σ = 506344621440. Its totient is φ = 397708375680.

The previous prime is 450510649109. The next prime is 450510649187. The reversal of 450510649121 is 121946015054.

It is a cyclic number.

It is not a de Polignac number, because 450510649121 - 2¹⁰ = 450510648097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450510649921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1697525 + ... + 1944893.

It is an arithmetic number, because the mean of its divisors is an integer number (31646538840).

Almost surely, 2^450510649121 is an apocalyptic number.

It is an amenable number.

450510649121 is a deficient number, since it is larger than the sum of its proper divisors (55833972319).

450510649121 is a wasteful number, since it uses less digits than its factorization.

450510649121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253496.

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 450510649121 in words is "four hundred fifty billion, five hundred ten million, six hundred forty-nine thousand, one hundred twenty-one".